stylish-haskell

What it does

CI

The README describes downloading the latest binary and running stylish-haskell in continuous integration.checked 8 Oct 2026

Configurable behavior

It supports configurable line endings and can replace tabs with four spaces or certain ASCII sequences with Unicode equivalents; both replacements are off by default.checked 8 Oct 2026

Configuration

Formatting is customizable through YAML configuration files, with settings available at directory, project, user, or default level.checked 8 Oct 2026

Continuous integration

The README describes downloading the latest binary and running stylish-haskell in a continuous integration workflow.checked 8 Oct 2026

Editor integrations

The README documents integration with Haskell Language Server, Vim, Emacs, Atom, and Visual Studio Code.checked 8 Oct 2026

Editors

The README documents integrations with Haskell Language Server, Vim, Emacs, Atom, and Visual Studio Code.checked 8 Oct 2026

Feature requests

The README invites feature requests through the project issue tracker.checked 8 Oct 2026

Imports

It aligns and sorts import statements.checked 8 Oct 2026

Install

The project documents installation with Stack, Cabal, Debian or Ubuntu packages, and Arch Linux packages.checked 8 Oct 2026

Installation

The README documents installation with Stack or Cabal and package-manager installation for Debian, Ubuntu, and Arch Linux.checked 8 Oct 2026

Language pragmas

It groups and wraps LANGUAGE pragmas and can remove some redundant pragmas.checked 8 Oct 2026

Language server

Editors that support the Language Server Protocol can use stylish-haskell through the Haskell Language Server plugin and its formatting-provider setting.checked 8 Oct 2026

Latest listed release

The GitHub releases page lists v0.15.1.0 as the latest release and says it adds support for GHC 9.12.checked 8 Oct 2026

License

Hackage lists the package under the BSD-3-Clause license.checked 8 Oct 2026

Maintainer

The README names Jasper Van der Jeugt as the author and maintainer.checked 8 Oct 2026

Other formatting

It removes trailing whitespace, aligns case branches and record fields, and formats data constructors and record fields.checked 8 Oct 2026

Pragmas

It groups and wraps LANGUAGE pragmas and can remove some redundant pragmas.checked 8 Oct 2026

Purpose

stylish-haskell is a Haskell code prettifier designed to help with formatting tasks such as cleaning up import statements.checked 8 Oct 2026

Support

The project welcomes feature requests through its GitHub issue tracker.checked 8 Oct 2026

Text options

It can convert line endings, replace tabs with four spaces, and replace some ASCII sequences with Unicode equivalents; the latter two options are off by default.checked 8 Oct 2026